The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
Measure in

Jasper Weather in September

Jasper in September

The short of it: Jasper in September averages a high of 17 °C (62 °F) and a low of 3 °C (38 °F), with 42 mm (1.7 in) of rain and about 12 h 35 min of daylight. Rated 5 of 5 for a visit; the best months are September and July. Source: TerraClimate climate normals, 1991–2020.

Average high 17° · low 3° · rain 42 mm · daylight 12 h 35 min

✦✦✦✦✦ Recommended for a visit · best months: September & July

Thirty years of records give Jasper an average September high of 17°, a low of 3° and some 42 mm of rain. The year turns hard here: highs drop 6° from August to about 17°, with nights near 3°. Rain is modest, about 42 mm, the 4th wettest month.

The sun is up for about 12 h 35 min in mid-September, 129 minutes less than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 5 of 5 for a visit; it is the best month of the year to come.

Against its neighbours, Jasper runs cooler than most and drier than most in September. Hinton, 67 km to the NNE, is 1° warmer by day.

September in Jasper, by the numbers

Warmth rank
4th warmest of 12
Rain rank
4th wettest of 12
Versus August
6° colder, 11 mm less rain
Versus October
7° warmer
Day–night spread
13°
Snow season
Nov–Apr
Daylight, mid-month
12 h 35 min
Average wind
6 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
HintonAlberta67 km NNE17°2°46 mm
ValemountBritish Columbia79 km W17°5°60 mm
Grande CacheAlberta132 km NNW15°3°51 mm
EdsonAlberta135 km NE17°3°54 mm
McBrideBritish Columbia147 km WNW17°5°74 mm
VavenbyBritish Columbia182 km SW18°5°54 mm
Fox CreekAlberta189 km NNE17°3°47 mm
ClearwaterBritish Columbia191 km SW20°6°44 mm

The Almanac · Jasper Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Recommended
The Almanac Speaks
September
✦✦✦✦✦

The year turns hard here: highs drop 6° from August to about 17°, with nights near 3°. Rain is modest, about 42 mm, the 4th wettest month.

Climate of Jasper by month
MonthHighLowRainWindDaylightVisit
January-4°-13°26 mm6 km/h8 h 6 min✦✦
February-1°-12°16 mm6 km/h9 h 46 min✦✦
March4°-8°22 mm6 km/h11 h 41 min✦✦
April10°-3°21 mm7 km/h13 h 53 min✦✦✦
May16°1°32 mm7 km/h15 h 47 min✦✦✦✦
June20°6°58 mm7 km/h16 h 52 min✦✦✦✦
July23°8°63 mm6 km/h16 h 25 min✦✦✦✦
August22°7°53 mm6 km/h14 h 43 min✦✦✦✦
September17°3°42 mm6 km/h12 h 35 min✦✦✦✦✦
October10°-2°32 mm6 km/h10 h 28 min✦✦✦
November2°-7°28 mm6 km/h8 h 35 min✦✦
December-5°-13°23 mm5 km/h7 h 37 min✦✦

Questions Readers Ask about Jasper in September

Answered from the wire & the Almanac

What is the weather like in Jasper in September?

Days average 17 °C (62 °F) and nights 3 °C (38 °F), with about 42 mm (1.7 in) of rain over the month. The year turns hard here: highs drop 6° from August to about 17°, with nights near 3°. Rain is modest, about 42 mm, the 4th wettest month.

Is September a good time to visit Jasper?

The Almanac gives September 5 of 5 (recommended). It is the best month of the year to visit.

How long are the days in Jasper in September?

In mid-September the sun is up for about 12 h 35 min. The days are shortening — from 7 h 37 min in December to 16 h 52 min in June.

Does it snow in Jasper in September?

Hardly — September nights average 3 °C (38 °F), above freezing.

What should I pack for Jasper in September?

Layers, a warm coat and stout boots.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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